The following is selected financial data from Block Industries: Cash $20,000 Accounts receivable 13,400 Equipment 10,650 Prepaid expenses 5,000 Accounts payable 12,300 Unearned revenue 7,500 Long-term notes payable 10,000 Common stock 18,000 Revenue 11,700 Sales tax payable 6,000 Interest expense 4,500 Depreciation expense 1,000 How much does Block Industries have in current liabilities? OA. $12,300 OB. $19,800 OC. $18,300 OD. $25,800